2 years ago

Please help me please please

Mathematics

1 answer:

zhannawk [14.2K]2 years ago

3 0

Answer:

Step-by-step explanation:

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2 years ago

PLEASE HELP BEFORE MIDNIGHT 2/14/22

spayn [35]

The answer is 1 and 5

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2 years ago

A critic randomly selects a movie to review from 3 action movies , 4 comedies , and two dramas . What is the probability that th

seropon [69]

Answer:

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2 years ago

A cohort study was conducted to study the association of coffee drinking and anxiety in a population-based sample of adults. Amo

azamat

Answer: Relative risk of anxiety associated with coffee use is 5 times the anxiety associated with non coffee use.

Step-by-step explanation:

Since we have given that

Number of coffee drinkers = 10000

Number of whom developed anxiety = 500

Number of non coffee drinkers = 20000

Number of whom developed anxiety = 200

So, probability of getting anxiety from coffee drinkers = $\dfrac{500}{10000}=0.05$

Probability of getting anxiety from non coffee drinkers = $\dfrac{200}{20000}=0.01$

so, Relative risk of anxiety associated with coffee use is given by

$\dfrac{0.05}{0.01}=5$

Hence, Relative risk of anxiety associated with coffee use is 5 times the anxiety associated with non coffee use.

6 0

2 years ago

Please help. Thank you.

damaskus [11]

(10x + 4) + (5x-4) ≈ 180

solve for x and you get x≈12

plug 12 in to 5x-4 and you get 56

7 0

3 years ago